| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn = Zn{+2} + 2e
P + SO2 = P2O5 + S =>
4 P + 5 SO2 = 2 P2O5 + 5 S
PbI + O = PbO + I =>
PbI + O = PbO + I
AgN03 + HCl = AgCl + HN03 =>
AgN03 + HCl = AgCl + HN03
CaCO3 + NaHSO4 = CaSO4 + Na2SO4 + H2O + CO2 =>
CaCO3 + 2 NaHSO4 = CaSO4 + Na2SO4 + H2O + CO2
H2Se + H2O = SeO2 + H2 =>
H2Se + 2 H2O = SeO2 + 3 H2
HBr + Na = H2 + NaBr =>
2 HBr + 2 Na = H2 + 2 NaBr
H2S + O2(g) = SO2 + H2O(g) =>
2 H2S + 3 O2(g) = 2 SO2 + 2 H2O(g)
MnO4{-} + Ag + H{+} = Mn{2-} + Ag{+} + H2O =>
MnO4{-} + 9 Ag + 8 H{+} = Mn{2-} + 9 Ag{+} + 4 H2O
CrO = Cr + O2 =>
2 CrO = 2 Cr + O2
Mg + Zn(NO3) = Zn + Mg(NO3) =>
Mg + Zn(NO3) = Zn + Mg(NO3)
Fe2 + S8 = Fe8S2 =>
16 Fe2 + S8 = 4 Fe8S2
Mg + CrCl3 = MgCl3 + Cr =>
Mg + CrCl3 = MgCl3 + Cr
SIO + H2O = H2SIO2 =>
SIO + H2O = H2SIO2
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
NaHCO3HCl = NaClHOHCO2 =>
NaHCO3HCl = NaClHOHCO2
BaCrO4 + HNO3 = Ba(NO3)2 + H2CrO4 =>
BaCrO4 + 2 HNO3 = Ba(NO3)2 + H2CrO4
Au2S3 + H = Au + H2S =>
Au2S3 + 6 H = 2 Au + 3 H2S
Na2HPO4 + BaCl2 + Nh4OH = Ba3(PO4)2 + NaCl + Nh4Cl + H2O =>
2 Na2HPO4 + 3 BaCl2 + 2 Nh4OH = Ba3(PO4)2 + 4 NaCl + 2 Nh4Cl + 2 H2O
Fe2 + S8 = FeS2 =>
2 Fe2 + S8 = 4 FeS2
S6 + O2 = SO =>
S6 + 3 O2 = 6 SO
Au + KCN + O2 + H2O = K[Au(CN)2] + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 K[Au(CN)2] + 4 KOH
C2H2 + Br = HBr + C =>
C2H2 + 2 Br = 2 HBr + 2 C
NaCIO + H2O = NaOH + HCIO =>
NaCIO + H2O = NaOH + HCIO
Li + D2O = Li2O + D2 =>
2 Li + D2O = Li2O + D2
Zn(OH)2 + MgCl2 = ZnCl2 + Mg(OH)2 =>
Zn(OH)2 + MgCl2 = ZnCl2 + Mg(OH)2
ClSO4 + Cu = CuSO4 + Cl2 =>
2 ClSO4 + 2 Cu = 2 CuSO4 + Cl2
C9H8O4 + H2O = C9H9O4 + OH =>
C9H8O4 + H2O = C9H9O4 + OH
Sn + CuNO3 = Sn(NO3)4 + Cu =>
Sn + 4 CuNO3 = Sn(NO3)4 + 4 Cu
FeS2 + H2O = Fe(OH)4 + H2S =>
FeS2 + 4 H2O = Fe(OH)4 + 2 H2S
MgSO4 + K2Co3 = K2SO4 + MgCo3 =>
MgSO4 + K2Co3 = K2SO4 + MgCo3
Br{-} = Br2 + e =>
2 Br{-} = Br2 + 2e
Ag2SO4 + H2O = Ag + O2 + H2SO4 =>
2 Ag2SO4 + 2 H2O = 4 Ag + O2 + 2 H2SO4
Sn + FeCl2 = Fe2 + Sn2Cl =>
8 Sn + 2 FeCl2 = Fe2 + 4 Sn2Cl
FeSO4 + KCNS = K2SO4 + Fe(CNS)2 =>
FeSO4 + 2 KCNS = K2SO4 + Fe(CNS)2
NaNO3 + NaOH = NaNa + OHNO3 =>
NaNO3 + NaOH = NaNa + OHNO3
K2S2O8 + FeSO4 = Fe2(SO4)3 + K2SO4 =>
K2S2O8 + 2 FeSO4 = Fe2(SO4)3 + K2SO4
FeS2 + H2O = Fe2O3 + SO4 + H =>
2 FeS2 + 19 H2O = Fe2O3 + 4 SO4 + 38 H
ClKBr = KCl + Br =>
ClKBr = KCl + Br
Li + FeCl2 = LiCl + Fe =>
2 Li + FeCl2 = 2 LiCl + Fe
C6H14 + I2 = C6H12I2 + H2 =>
C6H14 + I2 = C6H12I2 + H2
H2S + Pb(No3)2 = PbS + HNo3 =>
H2S + Pb(No3)2 = PbS + 2 HNo3
Al2(SO4)3 = Al2O3 + SO3 =>
Al2(SO4)3 = Al2O3 + 3 SO3
Li2O + H2 = Li2 + H2O =>
Li2O + H2 = Li2 + H2O
PbO + Na2SO2 = Pb + Na2SO4 =>
2 PbO + Na2SO2 = 2 Pb + Na2SO4
U3O8 + HNO3 = UO2N2O6 + NO2 + H2O =>
U3O8 + 8 HNO3 = 3 UO2N2O6 + 2 NO2 + 4 H2O
AlSO4 + ClOH = ClSO4 + AlOH =>
AlSO4 + ClOH = ClSO4 + AlOH
Ba(OH)2 + H3Po4 = Ba3(HPo4)3 + H2O =>
3 Ba(OH)2 + 3 H3Po4 = Ba3(HPo4)3 + 6 H2O
I + Br = IBr2 =>
I + 2 Br = IBr2
NO3{-} + C5H9O2{-} = NO2{-} + H2CO3 + HCO3{-} =>
13 NO3{-} + C5H9O2{-} = 13 NO2{-} + 4 H2CO3 + HCO3{-}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/24
Équations équilibrées sur12/27/23
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